Coupling high-overtone bulk acoustic wave resonators via superconducting qubits
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2023-09-25
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Department of Applied Physics
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en
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5
1-5
1-5
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Applied Physics Letters, Volume 123, issue 13
Abstract
In this work, we present a device consisting of two coupled transmon qubits, each of which are coupled to an independent high-overtone bulk acoustic wave resonator (HBAR). Both HBAR resonators support a plethora of acoustic modes, which can couple to the qubit near resonantly. We first show qubit-qubit interaction in the multimode system and, finally, quantum state transfer where an excitation is swapped from an HBAR mode of one qubit to an HBAR mode of the other qubit.Description
Funding Information: We would like to thank Mikael Kervinen for useful discussion. We acknowledge the facilities and technical support of Otaniemi Research Infrastructure for Micro and Nanotechnologies (OtaNano) that is part of the European Microkelvin Platform. This work was supported by the Academy of Finland (Contract No. 352189), the European Research Council (No. 101019712), and the Wihuri Foundation. We acknowledge funding from the European Union's Horizon 2020 Research and Innovation Program under the QuantERA II Programme (No. 13352189). This work was performed as part of the Academy of Finland Centre of Excellence Program (Project No. 352932). Publisher Copyright: © 2023 Author(s).
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Crump, W, Välimaa, A & Sillanpää, M A 2023, ' Coupling high-overtone bulk acoustic wave resonators via superconducting qubits ', Applied Physics Letters, vol. 123, no. 13, 134004, pp. 1-5 . https://doi.org/10.1063/5.0166924